五掌楠 wu zhang nan

Litsea konishii Hayata, J. Coll. Sci. Imp. Univ. Tokyo 30(1): 248. 1911; Tetradenia konishii (Hayata) Hayata.

Large trees, ca. 80 cm d.b.h. Bark brown, smooth. Branchlets glabrous. Leaves alternate or clustered toward apex of branchlet, subverticillate; petiole ca. 1 cm; leaf blade lanceolate or oblong, 10-15 × 3-4 cm, glaucous, appressed pubescent when young, and becoming glabrous abaxially, glabrous adaxially, triplinerved, lateral veins 3 pairs, lowermost pair arising 3-5 mm from base, base cuneate, apex abruptly acuminate. Umbels numerous, axillary or lateral, 5- or 6-flowered. Male pedicel ca. 4 mm, pubescent. Perianth segments 4, ovate-lanceolate. Male flowers: fertile stamens 6, exserted; filaments pubescent at base, of 3rd whorls each with 2 stipitate glands at base; rudimentary pistil lacking. Fruit ovoid, ca. 1.5 × 1.2 cm, black at maturity. Fl. Apr-May, fr. Sep-Oct.

Evergreen broad-leaved forests; ca. 1500 m. Taiwan [Japan].

The wood is used for construction and furniture-making.